.intro{
    font-size: 12px;
    color: #999;
    text-indent: 2em;
}
.username {
    line-height: 42px;
    color: #7a7a7a;
}
.username .sort-input{
    width: 50px;
    float:right;
    margin-bottom: 0;
    padding: 0;
    text-align: center;
}
.mui-table-view-cell:after{
    left: 0;
}
.done{
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 50px;
    line-height: 50px;
    font-size: 14px;
    color: #fff;
    background-color: #1abc9c;
    text-align: center;
    max-width: 640px;
}
